blitzer. wolf? >>ted, thanks very much. happening now. another top commander in a widening scandal swirling around general david petraeus. john allen is now the subject of a pentagon investigation. it centers around hundreds, possibly thousands of e-mails sent to this woman. details of where she fits into an increasingly tangled web of relationships. i'll talk about all of this with the chair of the senate intelligence committee. dianne feinstein says it is like something off the front page of a tab roid mloid magazine and s demanding answers. i'm wolf blitzer and you're in "the situation room." >>> we begin with stunning twists in the scandal that brought down the head of the cia, general david petraeus. another u.s. general is caught in the same tangled web. john allen, top commander in afghanistan, is being investigated by the pentagon for allegedly sending inappropriate e-mails to a married woman, the same woman whose complaint of threatening e-mails from general petraeus' lover cracked the scandal wide open. barbara starr is trying to sort this out for us. it is rather complic

city witnessing the violence and here's what shetoldwolfblitzerthisafternoon. watch. >> reporter: okay. i'm going to move out of the way. i'm going to let you get a look here. i'm going to let you get a look at what is going on. i can see the black smoke. it's difficult to capture on camera but you saw that flash. this is what we have been dealing with all day. we have also been dealing with, i'm sorry, the power has just gone out, we have been dealing with power outages, wolf, but this feels like war. it may not have been declared but it feels like war to the ci civilians who live here. >> sarah joins us live from gaza. what are you seeing. we saw the air strikes earlier in the day. what's going on now? >> reporter: the same thing throughout the entire night. we have been hearing some teeth rattling blasts over gaza. we do know there have been at least a dozen blasts over the past few hours. very, very, very loud, strong blasts here. it's very dark. i'm going to kind of move out of the way just to give you a look. it's dark here and power is out in much of the city. those who ha